Different Forms
Comparing Decimals
Rounding Decimals
Adding/Subtracting Decimals
Estimating Sums and Differences
100

Write two hundred four and five tenths in standard form.

204.5

100

Which number is larger? 

0.476 or 0.467

0.476

100

Round the following to the nearest whole number: 57.62

58

100

Add:

42.6+719.562

762.162

100

Estimate the sum for the following problem:

4.72 + 3.62

9

200

Write five thousand, nine hundred forty-seven and one hundred twenty six thousandths in standard form.

5,947.126

200

Which number is smaller?

5.232 or 52.32

52.32

200

Round to the nearest hundredth: 672.951

672.95

200

Subtract:

42.69-12.7

29.99

200

Estimate the difference:

10.63 - 3.21

8

300

Write forty-two and seven hundred nineteen thousandths in standard form.

42.719

300

Which number is larger? 

427.53 or 427.530

They are equal.

300

Round to the nearest ten: 924.76

920

300

Solve:

47.2+3.36+1.8

52.36

300

Estimate:

97.2 - 10.7

86

400

Write 4,316.6 in word form.

Four thousand, three hundred sixteen and six tenths

400

Which number is the value of the 6 greater? 

46.791 or 47.692

46.791

400

To which place was this number rounded? 

716.53

hundredths

400

Sam used 10.52 cups of flour for baking one batch of cookies. He then made cupcakes and used 16.72 cups of flour. How much flower did Sam use altogether?

27.24 cups

400

The Johnson family goes on a road trip. On day 1, they drive 157.92 miles and on day 2, they drive 286.47 miles. About how many miles did they drive on both days?

444 miles

500

Write 102,396.52 in word form.

one hundred two thousand, three hundred ninety-six and fifty-two hundredths

500

Which number is the value of the 2 greater?

27.55 or 0.275

27.55

500

To which place was this number rounded?

422.6

tenths

500

Josh and Scott were playing a video game. Josh's time was 56.72 seconds and Scott's time was 58.92 seconds. How much faster was Josh's time than Scott's?

2.2 or 2.20 seconds

500

Matt and Jake race each other to see who can put their clothes away faster. Matt does it in 2.42 minutes and Jake does it in 1.36 minutes. About how much faster was Jake than Matt?

1 minute